Il numero romano MCDLXV nel sistema decimale vale: 1465.
MCDLXV in latino si scrive mille quadringenti sexaginta quinque,
mentre in italiano millequattrocentosessantacinque.
MCDXLVI, MCDXLVII, MCDXLVIII, MCDXLIX, MCDL, MCDLI, MCDLII, MCDLIII, MCDLIV, MCDLV, MCDLVI, MCDLVII, MCDLVIII, MCDLIX, MCDLX, MCDLXI, MCDLXII, MCDLXIII, MCDLXIV, MCDLXVI, MCDLXVII, MCDLXVIII, MCDLXIX, MCDLXX, MCDLXXI, MCDLXXII, MCDLXXIII, MCDLXXIV, MCDLXXV, MCDLXXVI, MCDLXXVII, MCDLXXVIII, MCDLXXIX, MCDLXXX, MCDLXXXI, MCDLXXXII, MCDLXXXIII, MCDLXXXIV